? , , , , — . , 10 15 . , - (SSD). , / SSD.
SSD - SSD . , SSD-. , (SSHD), HDD, - , . , - , , . . -. -, .
SSDHD , SSHD- . - , , .
Seagate SSHD-. 2007- 2,5- Seagate Momentus PSD 80, 120 160 , . SSHD- 2013 , IBM System X. Seagate Enterprise Performance 10k HDD v8 15k HDD v5 TurboBoost. , , 128 , 32 - eMLC NAND , 8 NVRAM . , eMLC MLC, SSD- . TurboBoost SSD- SAS RAID-, , , — TurboBoost .
— ST1800MM0088 ST600MX0052. - — 2,5- 15 , SAS3 (12 /). ST1800MM0088 1,8 , 4 , 8 10 . ST600MX0052 — 600 (3 , 6 ) 15 . 128 , 32 NAND- eMLC. : ST600MX0052 — 180–246 /, 2 , ST1800MM0088 — 117–241 /, 2,9 .
Seagate ST1800MM0088
Seagate ST600MX0052
* :
- 15- ( , 100% )
- 60%- ( , 65% , 35% )
- 15%- ( , 35% , 65% )
* ST600MX0052 (600 , 15 . /) . : — 4096 , — 32, FIO 2.1.14.
Seagate ST600MX0052. ., Seagate Enterprise Performance TurboBoost . ( , ) SSD-.
True System.